A nozzle for a syringe, a thumb tab for a syringe, and an osteotome

Abstract

Aspects of the present invention relate to a nozzle for a syringe for injecting blood plasma into a sinus cavity within a patients mouth. The nozzle comprises a body having a passage extending through the body along a longitudinal axis of the nozzle. The passage extends from a proximal end to a distal end of the body and an inlet to the passage is located at the proximal end of nozzle for receiving blood plasma from the syringe. An outlet from the passage is positioned at the distal end of the nozzle for distributing blood plasma in the sinus cavity. The outlet comprises an outlet aperture located on a distal tip of the nozzle and at least one exit gate extending from the passage through the distal end of the body. Aspects of the present invention relate to a thumb tab for plunging a plunger of a syringe, the thumb tab comprising a base portion for attachment to the plunger and a resiliently deformable spring element extending from the base portion. The spring element is moveable from a relaxed position to a compressed position in response to a user pressing on the spring element to depress the plunger within the syringe, in use. Aspects of the present invention relate to an osteotome, the osteotome comprising: a body having a longitudinal axis; the body having a distal end, and the body comprising a distal shoulder extending around an external surface of the body; the distal end of the body extending distally from the distal shoulder, and wherein the distal end of the body tapers in a distal direction from the distal shoulder towards a distal tip along the longitudinal axis.

1 . A nozzle for a syringe for distributing blood plasma at a target treatment site within a patient's mouth, the nozzle comprising:
 a body having a passage extending through the body along a longitudinal axis of the body, the passage extending from a proximal end to a distal end of the body;   an inlet to the passage at the proximal end for receiving blood plasma from the syringe; and   an outlet from the passage at the distal end for distributing blood plasma at the target treatment site;   wherein the outlet comprises an outlet aperture located on a distal tip of the nozzle; and   at least one exit gate extending from the passage through the distal end of the body.   
     
     
         2 . A nozzle as claimed in  claim 1 , wherein the body comprises a distal shoulder extending around an external surface of the body. 
     
     
         3 . A nozzle as claimed in  claim 2 , wherein the distal end of the body extends distally from the distal shoulder and wherein the distal end of the body tapers in a distal direction from the distal shoulder towards the distal tip along the longitudinal axis. 
     
     
         4 . A nozzle as claimed in  claim 3 , wherein the distal end of the body is frustoconical such that the distal tip is generally planar. 
     
     
         5 . A nozzle as claimed in  claim 2 , wherein the body comprises a proximal shoulder extending around the external surface of the body. 
     
     
         6 . A nozzle as claimed in  claim 5 , wherein the proximal end of the body extends proximally from the proximal shoulder and wherein the proximal end of the body tapers in a proximal direction from the proximal shoulder towards the proximal end along the longitudinal axis. 
     
     
         7 . A nozzle as claimed in  claim 6 , wherein the proximal end of the body is frustoconical such that the proximal tip is generally planar. 
     
     
         8 . A nozzle as claimed in  claim 7 , wherein the inlet is positioned on the proximal tip and wherein the inlet is concentrically aligned with the longitudinal axis. 
     
     
         9 . A nozzle as claimed in  claim 6 , wherein a central body portion is defined between the distal shoulder and the proximal shoulder. 
     
     
         10 . A nozzle as claimed in  claim 9 , wherein the central body portion tapers in a proximal direction along the longitudinal axis from the distal shoulder towards the proximal shoulder. 
     
     
         11 . A nozzle as claimed in  claim 9 , wherein the central body portion has generally parallel edges such that the cross sectional area of the central body portion is substantially constant along the longitudinal axis between the distal and proximal shoulders. 
     
     
         12 . A nozzle as claimed in  claim 1 , wherein the at least one exit gate extends substantially perpendicularly from the passage to an external surface of the distal end. 
     
     
         13 . A nozzle as claimed in  claim 1 , comprising four exit gates positioned circumferentially around the distal end of the body. 
     
     
         14 . A nozzle as claimed in  claim 1 , wherein the at least one exit gate is generally square shape. 
     
     
         15 . A nozzle as claimed in  claim 1 , wherein the at least one exit gate tapers outwardly from the passage. 
     
     
         16 . A syringe for delivering blood plasma to a target treatment site comprising a nozzle as claimed in  claim 1 . 
     
     
         17 . A syringe as claimed in  claim 16 , wherein a flexible tube fluidly connects the nozzle to the syringe. 
     
     
         18 .- 42 . (canceled)